4 ASTM
PREHEAT
DESIGNATION CLASS
OR GRADE
TEMP.
SMAW GMAW/SAW
FCAW/MCAW A181-87
60 & 70
AA: 7018 SA:
29S, 82, 86 DS: 111AC,
7000, II 70T-12, T-75, (Ultra:
R-70, 7100, II 70, II 71); CW:
70, 71, Ultra; CS: 40, 11, 7 A182-88
F1 A
AA: 7018Mo SA:
83, Hi-84 DS: 7000-A1
F2, F11, F12
B AA:
8018CM DS: T-85-B2,
88CM F5, F5a
AR: 502, 309, 310 AR:
ER309, ER310 CB: 309L;
SB: 309L F6a Classes
1 & 2 AR:
410, 309, 310 F21,
F22, F22a B
AA: 9018CM DS:
T-95-B3, 9000-B3, 98-CM F429,
F430 AR:
430 F304,
F304H, F304N AR:
308 AR: ER308
CB: 308L; SB 308L F304L,
F304LN AR:
308L AR: ER308L
(Hi Sil) CB: 308L; SB
308L F310
AR: 310 AR:
ER310 A182-88
F316, F316H,
F316N AR: 316
CB: 316L; SB 316L (cont’d.)
F316L, F316LN
AR: 316L AR:
ER316L (Hi Sil) CB: 316L;
SB 316L F317
AR: 317 SB:
317L F317L
AR: 317L SB:
317L F321,
F321H AR:
347 AR: ER347
CB: 347 F347,
F347H, AR:
347 AR: ER347
CB: 347 F348,
F348H AR:
347 AR: ER347
CB: 347 A192-88
AA: 7018, 7018Mo SA:
29S, 82 DS: 7000,
7000 A1, 111AC, II 70T-12, (Ultra:
7100, II 70, II 71); CW: 70, 71, Ultra A193-88
B5 AR:
502, 309, 310 AR: ER310
CB: 309L; SB 309L B6,
B6X AR:
410 B7, B7M
B AA:
8018CM, 4140 DS: 88CM,
T-85-B2 B16
B AA:
9018CM DS: 98CM,
T-95-B3 B8, B8A
AR: 308 AR:
ER308 CB: 308L;
SB: 308L B8C,
B8CA, B8T, AR:
347 AR: ER347
CB: 347; SB: 347
B8TA B8M,
B8MA, B8M2, AR:
316 AR: ER316
CB: 316L; SB: 316L
B8M3
